Finding the Third Proportional to 12,408 and 16,650

Step by Step Solution

1. Step 1: Write the proportion equation
   12,408 : 16,650 = 16,650 : x
2. Step 2: Convert to fraction form
   12,408/16,650 = 16,650/x
3. Step 3: Cross multiply
   12,408x = 16,650 × 16,650
4. Step 4: Simplify right side
   12,408x = 277,222,500
5. Step 5: Solve for x
   x = 277,222,500/12,408
6. Step 6: Final answer
   x = 22,342.24